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3 years ago

A helicopter is flying from Hong Kong to Jakarta

Mathematics

1 answer:

Gekata [30.6K]3 years ago

3 0

What is the question?

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Which expression is equivalent to 1 over 5 m − 20?

laiz [17]

-----------

5m -20

factor out a 5 in the denominator

-----------

5 (m -4)

Choice A

7 0

3 years ago

If x = 5, then which inequality is true?

barxatty [35]

Answer:

Step-by-step explanation:

cause when we substitute 5 in the equation we get 3<7which is true.

7 0

3 years ago

3(x+14)=42 plz need help now

lina2011 [118]

Answer:

Step-by-step explanation:

So we have the equation:

$3(x+14)=42$

Divide both sides by 3:

$x+14=14$

Subtract 14:

$x=0$

The value of x is 0

3 0

3 years ago

Read 2 more answers

Question 19 Only, Please show your work.<br><br> Solve the problem.

ankoles [38]

Answer:

$5\sqrt{2}$

Step-by-step explanation:

Draw a diagonal (line segment from one corner to the opposite corner). You'll form two right triangles with the diagonal being the hypotenuse of both triangles.

Use the Pythagorean Theorem: (leg)^2 + (leg)^2 = (hypotenuse)^2.

Let h represent the length of the hypotenuse.

$h^2 = 5^2+5^2\\h^2=25 + 25\\h^2 =50\\h=\sqrt{50}\\h=5\sqrt{2}$

The question is just a bit vague. It should say opposite corners. I'm assuming the question does not mean the length of one side!

5 0

2 years ago

The volume V of a cone varies jointly as the area of the base B and the height

seraphim [82]

Answer:

h = 9 cm.

Step-by-step explanation:

V = kBh where k is the constant of variation.

From the given info:

32 = k*16*6 = 96k

So k = 32/96 = 1/3.

So we have the equation of variation:

V = 1/3Bh

When V = 60 B = 20, so:

60 = 1/3 20h

20h = 60 * 3 = 180

h = 180 /20 = 9.

3 0

3 years ago